Report native backend blockers

crates/geth-control/src/lib.rs

@@ -913,6 +913,18 @@ pub struct StatusResponse {
     pub iroh_relay_mode: String,
     pub iroh_local_discovery: bool,
     pub iroh: String,
+    #[serde(default)]
+    pub native_backends: Vec<NativeBackendStatus>,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+pub struct NativeBackendStatus {
+    pub module: String,
+    pub current_backend: String,
+    pub target_crate: String,
+    pub target_version: String,
+    pub status: String,
+    pub blocker: String,
 }
 
 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]